Releases · wiresock/ndisapi

What's New in Windows Packet Filter 3.6.2

Overview

This patch release (v3.6.2) delivers important maintenance updates to the Windows Packet Filter driver.
It is fully binary compatible with version 3.6.1, so no rebuilds of other components are required.
Only the Windows 7 and later drivers have been rebuilt for this release.

Fixes and Improvements

Driver Signing Certificate Update:
Fixed an issue where version 3.6.1 could fail to load due to an expired driver signing certificate.
🔹 Users experiencing driver load failures should update to this version.
Bluetooth Stack Stability Fix:
Addressed a rare Blue Screen of Death (BSOD) issue that could occur in the Bluetooth stack when an NDIS OID request arrived with a released memory buffer at the filter level.
This resolves a stability regression observed under specific system conditions.

These fixes enhance the reliability and compatibility of the Windows Packet Filter across supported platforms.

Compatibility

Fully binary compatible with v3.6.1
Only Windows 7 and later drivers were rebuilt
No API or ABI changes

Downloads

Windows Packet Filter Driver Installers

Windows 10/11 ARM64: Download ARM64 Installer
Windows Vista/7/8/10/11 (64-bit): Download x64 Installer
Windows Vista/7/8/10/11 (32-bit): Download x86 Installer

Notes

Users running Windows 7 or later should install this version to avoid potential driver load failures and improve system stability.
No changes are required for other builds or platforms using v3.6.1.

For full feature information, see Windows Packet Filter 3.6.1 Release Notes or visit the Windows Packet Filter Homepage.

What's New in Windows Packet Filter 3.6.1

Enhanced Static Filters Implementation

This release brings substantial improvements to the built-in static filters of the Windows Packet Filter, offering enhanced control, performance, and flexibility.

New Features:

Granular Control of Static Filters: Added functions to allow precise management of static filters, including the ability to add and remove individual filters.
Static Filters Cache: Introduced a new static filters cache on the driver level and an associated API to enable or disable it, giving you more performance and control over filter caching mechanisms.
Packet Fragments Cache: Added a packet fragments cache on the driver level and an API for managing it, enhancing the control over packet fragmentation handling in the static filters.

These updates aim to improve the overall functionality and efficiency of static filter operations.

Downloads

Compiled Sample Binaries

ARM64 Platform (Advanced C++ Samples, Visual Studio 2022): Download tools_bin_arm64.zip
x64 Platform (Advanced C++ Samples, Visual Studio 2022): Download tools_bin_x64.zip
x86 Platform (Advanced C++ Samples, Visual Studio 2022): Download tools_bin_x86.zip
x86 and x64 Platforms (Basic C++ Samples, Visual Studio 2012, Windows XP/2003 and later): Download tools_bin_x86_x64_vs2012.zip
x86 Platform (Basic C++ Samples, Visual C++ 6.0, Windows 95/NT4 and later): Download tools_bin_x86_vc6.zip

Windows Packet Filter Driver Installers

Windows 10/11 ARM64: Download ARM64 Installer
Windows Vista/7/8/10/11 (64-bit): Download x64 Installer
Windows Vista/7/8/10/11 (32-bit): Download x86 Installer
Legacy Windows (95/98/ME/NT/2000/XP/2003): Download Legacy Installer

For more information and support, visit the Windows Packet Filter Homepage.

What's New in Windows Packet Filter 3.4.8

Performance Enhancements

Optimized Packet Processing: Upgraded the in-driver implementation of ReadPacketsUnsorted, SendPacketsToAdaptersUnsorted, and SendPacketsToMstcpUnsorted. This optimization groups packets by their target network adapter, significantly reducing overhead and enhancing throughput.

Code Quality and Stability

Thread Safety and Exception Handling: Strengthened key functions with advanced thread safety measures and exception handling to ensure greater stability and reliability.
Project Structure Refinement: Overhauled the project structure for better organization and maintainability, facilitating more efficient future development.
Enhanced Documentation: Improved inline documentation to provide clearer explanations and guidelines, aiding in better code comprehension and adherence to best practices.

Downloads

Compiled Sample Binaries

ARM64 Platform (Advanced C++ Samples, Visual Studio 2022): Download tools_bin_arm64.zip.
x64 Platform (Advanced C++ Samples, Visual Studio 2022): Download tools_bin_x64.zip.
x86 Platform (Advanced C++ Samples, Visual Studio 2022): Download tools_bin_x86.zip.
x86 and x64 Platforms (Basic C++ Samples, Visual Studio 2012, Windows XP/2003 and later): Download tools_bin_x86_x64_vs2012.zip.
x86 Platform (Basic C++ Samples, Visual C++ 6.0, Windows 95/NT4 and later): Download tools_bin_x86_vc6.zip.

Windows Packet Filter Driver Installers

Windows 10/11 ARM64: Download ARM64 Installer
Windows Vista/7/8/10/11 (64-bit): Download x64 Installer
Windows Vista/7/8/10/11 (32-bit): Download x86 Installer
Legacy Windows (95/98/ME/NT/2000/XP/2003): Download Legacy Installer

For more information and support, visit Windows Packet Filter Homepage.

Compiled Sample Binaries

tools_bin_arm64.zip: ARM64 builds of C++ advanced samples
tools_bin_x64.zip: x64 builds of C++ basic and advanced samples
tools_bin_x86.zip: x86 builds of C++ basic and advanced samples
tools_bin_x86_vc6.zip: x86 builds of C++ basic samples with VC++ 6.0 (supports Windows 95/NT4 and later)

Windows Packet Filter Driver Installers

Please ensure to install the Windows Packet Filter driver using one of the attached installers:

Windows 10/11 ARM64: Windows Packet Filter 3.4.3.1 ARM64.msi
Windows Vista and later 64-bit: Windows Packet Filter 3.4.3.1 x64.msi
Windows Vista and later 32-bit: Windows Packet Filter 3.4.3.1 x86.msi
Windows 95/98/ME/NT/2000/XP/2003: Windows Packet Filter 3.4.3.1.exe

Additional details are available at https://www.ntkernel.com/windows-packet-filter/

tools_bin_arm64.zip - x64 builds of C++ basic and advanced samples
tools_bin_x64.zip - x64 builds of C++ basic and advanced samples
tools_bin_x86.zip - x86 builds of C++ basic and advanced samples
tools_bin_x86_vc6.zip - x86 builds of C++ basic samples with VC++ 6.0 (support Windows 95/NT4 and later)